GB2390897B - Optical encoder device - Google Patents

Optical encoder device

Info

Publication number
GB2390897B
GB2390897B GB0308314A GB0308314A GB2390897B GB 2390897 B GB2390897 B GB 2390897B GB 0308314 A GB0308314 A GB 0308314A GB 0308314 A GB0308314 A GB 0308314A GB 2390897 B GB2390897 B GB 2390897B
Authority
GB
United Kingdom
Prior art keywords
optical encoder
encoder device
optical
encoder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0308314A
Other versions
GB2390897A (en
GB0308314D0 (en
Inventor
Chee-Keong Chong
Yee-Loong Chin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agilent Technologies Inc
Original Assignee
Agilent Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agilent Technologies Inc filed Critical Agilent Technologies Inc
Publication of GB0308314D0 publication Critical patent/GB0308314D0/en
Publication of GB2390897A publication Critical patent/GB2390897A/en
Application granted granted Critical
Publication of GB2390897B publication Critical patent/GB2390897B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
GB0308314A 2002-04-11 2003-04-10 Optical encoder device Expired - Fee Related GB2390897B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MYPI20021344 2002-04-11

Publications (3)

Publication Number Publication Date
GB0308314D0 GB0308314D0 (en) 2003-05-14
GB2390897A GB2390897A (en) 2004-01-21
GB2390897B true GB2390897B (en) 2005-08-10

Family

ID=19749534

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0308314A Expired - Fee Related GB2390897B (en) 2002-04-11 2003-04-10 Optical encoder device

Country Status (5)

Country Link
US (1) US6995356B2 (en)
JP (1) JP4472265B2 (en)
CN (1) CN100432822C (en)
DE (1) DE10313363B4 (en)
GB (1) GB2390897B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7145127B2 (en) * 2004-08-25 2006-12-05 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Optical encoding that utilizes total internal reflection
JP2007033143A (en) * 2005-07-25 2007-02-08 Sharp Corp Photoelectric encoder and electronic device equipped therewith
US20070138381A1 (en) * 2005-12-16 2007-06-21 Meschko John T Optical encoder system
US20070241269A1 (en) * 2006-04-14 2007-10-18 Saidan Saiful B Optical encoders having improved resolution
US7619205B2 (en) * 2006-07-26 2009-11-17 Kabushiki Kaisha Toshiba Image forming apparatus having photo sensors capable of detecting objects of different widths using photocouplers of the same configuration
JP2008034420A (en) * 2006-07-26 2008-02-14 Shinko Denshi Kk Photointerrupter
US20080156973A1 (en) * 2006-12-29 2008-07-03 Weng Fei Wong Photosensor array for optical encoder
US7557340B2 (en) * 2007-10-07 2009-07-07 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Shaft-mounted detector for optical encoder having an aperture through the detector for receiving a rotary shaft of a motor
US20090152452A1 (en) * 2007-12-18 2009-06-18 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Reflective multi-turn encoder
TWI383129B (en) * 2008-11-19 2013-01-21 Everlight Electronics Co Ltd Transmissive optical encoder
US8212202B2 (en) * 2009-01-08 2012-07-03 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Reflective optical encoder package and method
FR2954491B1 (en) * 2009-12-23 2012-04-27 Thales Sa OPTICAL ENCODER.
EP2592392B1 (en) * 2012-03-09 2013-09-04 Hexagon Technology Center GmbH Optoelectronic positioning device
DE102012222571A1 (en) * 2012-12-07 2014-06-12 Scanlab Ag Optical angle detector
JP5792253B2 (en) * 2013-10-02 2015-10-07 ファナック株式会社 Transmission optical encoder having a light guide
DE102017215035A1 (en) * 2017-08-29 2019-02-28 Robert Bosch Gmbh Injection device and corresponding injection measuring method
CN111176052B (en) * 2019-12-25 2021-05-07 华东师范大学 Method for realizing coding by switching laser state and non-laser state of optical structure

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS595217A (en) * 1982-07-02 1984-01-12 Fanuc Ltd Pulse encoder using optical fiber
JPS5932813A (en) * 1982-08-18 1984-02-22 Diesel Kiki Co Ltd Photo detector
JPS6031016A (en) * 1983-07-29 1985-02-16 Matsushita Electric Works Ltd Optical encoder
JPS61712A (en) * 1984-01-23 1986-01-06 Tokyo Seimitsu Co Ltd Optical scale reader
JPS63238428A (en) * 1987-03-27 1988-10-04 Copal Electron Co Ltd Optical fiber encoder
DE4004728A1 (en) * 1989-02-28 1990-08-30 Siemens Ag EM wave conductor unit with internal reflective channel - having aperture to affect light beam travelling from LED to opto-electric receiver
EP1111347A1 (en) * 1999-12-15 2001-06-27 Brown & Sharpe Tesa S.A. Positional encoder
US6278107B1 (en) * 1998-06-10 2001-08-21 Codechamp Optical reader for a high-resolution optical coder
EP1189035A2 (en) * 2000-09-15 2002-03-20 Agilent Technologies, Inc. Optical encoder
EP1312896A1 (en) * 2001-11-19 2003-05-21 Control Devices, Inc. Combined optical light pipe and protective enclosure

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59521A (en) 1982-06-24 1984-01-05 Nippon Shokubai Kagaku Kogyo Co Ltd Catalyst reactor for purifying exhaust gas of internal-combustion engine
JPS593281A (en) 1982-06-29 1984-01-09 Nippon Atom Ind Group Co Ltd Method for detecting leading edge
JPS603101A (en) 1983-06-20 1985-01-09 松下電器産業株式会社 Resistance ink composition
DE3420161A1 (en) 1984-05-30 1985-12-05 Hoechst Ag, 6230 Frankfurt METHOD FOR PRODUCING THE DRY ALKALINE METAL SALTS OF 1,8-NAPHTHALIC ACID IMID
GB8617377D0 (en) 1986-07-16 1986-08-20 Ici Plc Tertiary amine compounds
US5168268A (en) * 1991-06-05 1992-12-01 Apple Computer, Inc. Optically transmissive armature for cursor control device
US5329121A (en) * 1993-02-25 1994-07-12 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Rotary encoding device with polygonal reflector and centroid detection
JP3009379U (en) * 1994-08-05 1995-04-04 船井電機株式会社 Reel sensor

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS595217A (en) * 1982-07-02 1984-01-12 Fanuc Ltd Pulse encoder using optical fiber
JPS5932813A (en) * 1982-08-18 1984-02-22 Diesel Kiki Co Ltd Photo detector
JPS6031016A (en) * 1983-07-29 1985-02-16 Matsushita Electric Works Ltd Optical encoder
JPS61712A (en) * 1984-01-23 1986-01-06 Tokyo Seimitsu Co Ltd Optical scale reader
JPS63238428A (en) * 1987-03-27 1988-10-04 Copal Electron Co Ltd Optical fiber encoder
DE4004728A1 (en) * 1989-02-28 1990-08-30 Siemens Ag EM wave conductor unit with internal reflective channel - having aperture to affect light beam travelling from LED to opto-electric receiver
US6278107B1 (en) * 1998-06-10 2001-08-21 Codechamp Optical reader for a high-resolution optical coder
EP1111347A1 (en) * 1999-12-15 2001-06-27 Brown & Sharpe Tesa S.A. Positional encoder
EP1189035A2 (en) * 2000-09-15 2002-03-20 Agilent Technologies, Inc. Optical encoder
EP1312896A1 (en) * 2001-11-19 2003-05-21 Control Devices, Inc. Combined optical light pipe and protective enclosure

Also Published As

Publication number Publication date
JP4472265B2 (en) 2010-06-02
JP2003315102A (en) 2003-11-06
CN1450396A (en) 2003-10-22
US6995356B2 (en) 2006-02-07
US20030193015A1 (en) 2003-10-16
GB2390897A (en) 2004-01-21
CN100432822C (en) 2008-11-12
DE10313363B4 (en) 2012-08-23
GB0308314D0 (en) 2003-05-14
DE10313363A1 (en) 2003-10-30

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130725 AND 20130731

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160410